/*
 * Changes to this file committed after and not including commit-id: ccc0d2c5f9a5ac661e60e6eaf138de7889928b8b
 * are released under the following license:
 *
 * This file is part of Hopsworks
 * Copyright (C) 2018, Logical Clocks AB. All rights reserved
 *
 * Hopsworks is free software: you can redistribute it and/or modify it under the terms of
 * the GNU Affero General Public License as published by the Free Software Foundation,
 * either version 3 of the License, or (at your option) any later version.
 *
 * Hopsworks is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
 * PURPOSE.  See the GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License along with this program.
 * If not, see <https://www.gnu.org/licenses/>.
 *
 * Changes to this file committed before and including commit-id: ccc0d2c5f9a5ac661e60e6eaf138de7889928b8b
 * are released under the following license:
 *
 * Copyright (C) 2013 - 2018, Logical Clocks AB and RISE SICS AB. All rights reserved
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this
 * software and associated documentation files (the "Software"), to deal in the Software
 * without restriction, including without limitation the rights to use, copy, modify, merge,
 * publish, distribute, sublicense, and/or sell copies of the Software, and to permit
 * persons to whom the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or
 * substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  OR IMPLIED, INCLUDING
 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL  THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR  OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
package io.hops.hopsworks.api.exception.mapper;

import com.auth0.jwt.exceptions.JWTVerificationException;
import io.hops.hopsworks.api.util.RESTApiJsonResponse;
import io.hops.hopsworks.exceptions.GenericException;
import io.hops.hopsworks.exceptions.HopsSecurityException;
import io.hops.hopsworks.restutils.RESTCodes;
import io.hops.hopsworks.restutils.RESTException;
import io.hops.hopsworks.common.util.Settings;
import io.hops.hopsworks.jwt.exception.AccessException;
import io.hops.hopsworks.jwt.exception.DuplicateSigningKeyException;
import io.hops.hopsworks.jwt.exception.InvalidationException;
import io.hops.hopsworks.jwt.exception.JWTException;
import io.hops.hopsworks.jwt.exception.NotRenewableException;
import io.hops.hopsworks.jwt.exception.SigningKeyNotFoundException;
import io.hops.hopsworks.jwt.exception.VerificationException;
import io.hops.hopsworks.restutils.ThrowableMapper;

import java.util.logging.Level;

import javax.ejb.EJB;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.ext.Provider;

@Provider
public class RESTApiThrowableMapper extends ThrowableMapper {

  @EJB
  Settings settings;

  @Override
  public Response handleRESTException(Response.StatusType status, RESTException ex) {
    return Response.status(status)
        .entity(ex.buildJsonResponse(new RESTApiJsonResponse(), settings.getHopsworksRESTLogLevel()))
        .type(MediaType.APPLICATION_JSON)
        .build();
  }

  @Override
  public Response handleUnknownException(Throwable exception) {
    if (exception instanceof JWTException) {
      if (exception instanceof AccessException) {
        return handleRESTException(new HopsSecurityException(RESTCodes.SecurityErrorCode.REST_ACCESS_CONTROL,
            Level.FINE, null, exception.getMessage(), exception));
      } else if (exception instanceof InvalidationException) {
        return handleRESTException(new HopsSecurityException(RESTCodes.SecurityErrorCode.INVALIDATION_ERROR, 
            Level.WARNING, null, exception.getMessage(), exception));
      } else if (exception instanceof NotRenewableException) {
        return handleRESTException(new HopsSecurityException(RESTCodes.SecurityErrorCode.NOT_RENEWABLE_TOKEN,
            Level.FINE, null, exception.getMessage(), exception));
      } else if (exception instanceof SigningKeyNotFoundException) {
        return handleRESTException(new HopsSecurityException(RESTCodes.SecurityErrorCode.EJB_ACCESS_LOCAL, Level.FINE,
            null, exception.getMessage(), exception));
      } else if (exception instanceof VerificationException) {
        return handleRESTException(new HopsSecurityException(RESTCodes.SecurityErrorCode.EJB_ACCESS_LOCAL, Level.FINE,
            null, exception.getMessage(), exception));
      } else if (exception instanceof DuplicateSigningKeyException) {
        return handleRESTException(new HopsSecurityException(RESTCodes.SecurityErrorCode.DUPLICATE_KEY_ERROR,
            Level.FINE, null, exception.getMessage(), exception));
      } else {
        return handleRESTException(new GenericException(RESTCodes.GenericErrorCode.UNKNOWN_ERROR, Level.SEVERE, null,
            exception.getMessage(), exception));
      }
    } else if (exception instanceof JWTVerificationException) {
      return handleRESTException(new HopsSecurityException(RESTCodes.SecurityErrorCode.EJB_ACCESS_LOCAL, Level.FINE,
          null, exception.getMessage(), exception));
    } else {
      return handleRESTException(new GenericException(RESTCodes.GenericErrorCode.UNKNOWN_ERROR, Level.SEVERE, null,
          exception.getMessage(), exception));
    }
  }
}
